Question

Q.20 (i) A magnet has………… pole.

(ii) In which group nobel gases are present ?​

Answer 1

Answer:

in p group

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Answer 2

Answer:

1. two
2. group 18 (VIIIa)

Explanation:

1. magnet has two poles, north pole and South pole.
2. Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).↑ above attachment.

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